* {
  margin: 0px;
  padding: 0px;
  list-style: none;
}

.header {
  width: 1920px;
  height: 65px;
  background-color: #2561ef;
  color: #ffff;
  margin: auto;
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.nav-text {
  width: 200px;
  height: 58px;
  margin: 5px 0px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.nav-Home-father {
  width: 120px;
  height: 58px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.nav-Home-father :hover {
  background-color: rgb(19, 74, 222);
}
.nav-Home {
  width: 100px;
  height: 58px;

  background-color: #2561ef;
  color: #ffff;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.nav-Home-top {
  width: 140px;
  position: absolute;
  top: 5px;
  left: 20px;
}
.nav-Home-bottom {
  width: 140px;
  margin-top: 10px;
  position: absolute;
  top: 20px;
  left: 13px;
}
.nav-classify-father {
  width: 140px;
  height: 58px;
  display: flex;
  justify-content: center;
}
.nav-classify-father :hover {
  background-color: rgb(19, 74, 222);
}
.nav-classify {
  width: 80px;
  height: 58px;
  background-color: #2561ef;
  color: #ffff;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.nav-classify-top {
  position: absolute;
  top: 5px;
  left: 35px;
}
.nav-classify-bottom {
  width: 80px;
  margin-top: 10px;
  position: absolute;
  top: 20px;
  left: 13px;
}

.search {
  width: 395px;
  height: 48px;
  background: #ffff;
  border-radius: 10px;
  position: relative;
}
.search input {
  width: 335px;
  height: 30px;
  background: #ffff;
  border: 1px solid #ffff;
  position: absolute;
  top: 10px;
  right: 2px;
  font-size: 14px;
  color: #cccc;
  padding-left: 15px;
}

.search button {
  width: 20px;
  height: 20px;
  background-image: url(../img/heder_search.png);
  background-repeat: no-repeat;
  background-color: aliceblue;
  border: 0px;
  position: absolute;
  top: 16px;
  left: 20px;
}

.user {
  width: 1000px;
  height: 58px;
  line-height: 58px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin: 10px;
}
.user-one {
  margin-right: 20px;
}
.user-two {
  margin-top: 25px;
  margin-right: 20px;
}
.user-three {
  margin-right: 20px;
}
.user-four {
  margin-right: 20px;
  position: relative;
}

.dropbtn {
  background-color: #2561ef;
  color: black;
  padding: 16px;
  font-size: 16px;
  border: none;
  cursor: pointer;
}

.dropbtn:hover,
.dropbtn:focus {
  background-color: #2561ef;
}

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 160px;
  overflow: auto;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

.dropdown-content a {
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
}

.dropdown a:hover {
  background-color: rgba(52, 112, 224, 0.3);
}

.show {
  display: block;
}

.function {
  width: 1900px;
  height: 900px;
  background-color: rgb(204, 215, 224);
  display: flex;
  justify-content: flex-start;
  align-items: center;
  position: relative;
}
/* 左边区域 */
.content_body_left {
  
  width: 200px;
  height: calc(100% - 20px);
  background-color: #ffffff;
  text-align: left;
  padding-left: 10px;
  padding-right: 10px;
  box-sizing: border-box;
  margin-top: 60px;
  position: fixed;
  overflow-y:auto;
}

/* 左边的列表 */
.content_body_left ul {
  width: 180px;
  height: 36px;
  line-height: 36px;
  list-style: none;
}

.content_body_left ul>li {
  vertical-align: middle;
  line-height: 36px;

}

.content_body_left ul>li>ul {
  width: 180px;
  text-align: left;
  height: 0;
  overflow: hidden;
  transition: .3s height linear;
}

.content_body_left_list li {
  padding-left: 49px;
  border-radius: 10px;
}

.content_body_left_list>li:hover {
  background-color: rgb(103, 161, 236);
}

.content_body_left_img1 {
  width: 14px;
  height: 14px;
  margin-left: 20px;
}

.content_body_left>ul>li>span {
  font-size: 16px;
  margin-left: 10px;
  height: 36px;
  line-height: 36px;
  vertical-align: middle;
}

.content_body_left>ul>li:hover {
  cursor: pointer;
  background-color: #eef3fe;
}


.content_body_left_img2 {
  width: 11px;
  height: 7px;
  margin-left: 50px;
  transform: rotate(90deg);
}



.function-content {
  margin-top: 10px;
  width: 1440px;
  height: 910px;
 background-color: #f5f5f5;
  flex-direction: column;
  justify-content: center
  ;
  align-items: center;
position: absolute;
top: 0px;
left: 220px;
position: relative;

}
.function-content-top{
  width: 100%;
  height: 48px;
  font-size: 14px;
  color: gray;
  position: absolute;
  left: 20px;
  top: 20px;
  cursor: pointer;
}
.function-content-top span:hover{
color: cornflowerblue;
}
.function-content-min {
  width: 1370px;
  height: 830px;
  background-color: #ffffff;
  position: absolute;
  left: 20px;
  top: 60px;
  border-radius: 10px;
}
.function-content-min-son1{
  margin-top: 20px;
  
  width: 100%;
  height:40px;
  font-size: 14px;
  font-weight: 0;
  color: rgb(27, 17, 17);
  border-bottom: 1px solid
  #c4d2f1;
  text-align: left;
  
}
.function-content-min-son1 span{
  cursor: pointer;
}
.function-content-min-son1 span:hover{
  color: #2561ef;
}

.function-content-mind-son2 {
width: 1200px;
height:60px;
display: flex;
justify-content: flex-start;
align-items: center;
position: relative;
}
.function-content-father {
  width: 840px;
  height: 60px;
  display: flex;
  justify-content:flex-start;
  align-items: center;
 margin-left: 20px;
}


.function-content-father1{
  width: 200px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  position: absolute;
  right: 20px;
  top: 15px;
}
.function-content-mind-son2-two{
  padding-left: 20px;
}
.function-content-mind-son2-three{
  padding-left: 20px;
}




.function-content-father1 button{
  width: 100px;
  height:30px;
  line-height: 20px;
  margin-left: 20px;
  background-color: #f9f9f9;
   font-size: 14px;
   border-radius: 5px;
   cursor: pointer;
}

.function-content-father span{
  font-size: 14px;
  color: #b4b7be;
}

.function-content-father1 button:hover{
background-color: #b4b7be;
}
.function-content-mind-son3{
  width: 1450px;
  height: 50px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.function-content-mind-son3-two{
  padding-left: 120px;
}
.function-content-mind-son3-three{
  padding-left: 120px;
}
.function-content-mind-son3-four{
  padding-left: 200px;

}
.function-content-mind-son3-four input{
  width: 400px;
  height: 30px;
}
.function-content-mind-son3 span {
  font-size: 14px;
  color: #b4b7be;
}
 .container {
  width: 1370px;
  height: 500px;
}

#foot{
  text-align: center;
}
.football{
  width: 1360px;
  height: 25px;
 
  display: inline-block;
 
  font-size: 14px;
  color: rgba(0, 0, 0, );

}
.football a{
  width: 36px;
  height: 36px
  ;
  background-color: #f5f5f5;
  text-decoration: none;
  border:1px
   solid #cccc;
}
.football input{
  width: 50px;
  height: 25px;
}
.football a :hover{
  background-color: rgb(80, 75, 75);
}